Free Practice Questions for Assam Higher Secondary Physics

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Key Facts: Assam Higher Secondary Physics Exam

70 / 30

Marks distribution between Theory examination and Practical assessment

ASSEB AHSEC Physics Syllabus

3 Hours

Duration of the Higher Secondary Physics theory written examination

ASSEB Examination Guidelines

30%

Minimum pass percentage required in both theory and practical exams

ASSEB Board Regulations

100

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Assam ASSEB Higher Secondary Physics evaluates Class 11-12 Science students on fundamental concepts, mathematical derivations, and numerical problem solving across electromagnetism, optics, modern physics, semiconductor electronics, and mechanics.

Sample Assam Higher Secondary Physics Practice Questions

Try these sample questions to review concepts for the Assam Higher Secondary Physics exam. Each question includes a detailed explanation. Start the interactive quiz above for the full 100+ question experience with AI tutoring.

1Two point charges of +2.0 µC and +3.0 µC are placed 0.30 m apart in a vacuum. What is the magnitude of the electrostatic force between them? (Coulomb constant k = 9.0 × 10^9 N·m²/C²)

A.0.60 N

B.1.80 N

C.0.20 N

D.6.00 N

Explanation: According to Coulomb's law, F = k · |q1 · q2| / r². Substituting values: F = (9.0 × 10^9) × (2.0 × 10^-6) × (3.0 × 10^-6) / (0.30)² = 0.054 / 0.09 = 0.60 N. The force is repulsive since both charges are positive.

2What is the magnitude of the electric field at a point located 0.50 m away from an isolated point charge of +5.0 µC in free space?

A.1.8 × 10^5 N/C

B.9.0 × 10^4 N/C

C.3.6 × 10^5 N/C

D.4.5 × 10^4 N/C

Explanation: The electric field of a point charge is E = k · q / r². E = (9.0 × 10^9) × (5.0 × 10^-6) / (0.50)² = 4.5 × 10^4 / 0.25 = 1.8 × 10^5 N/C.

3An electric dipole consists of charges +q and -q separated by 2a. What is the electric potential at any point on the equatorial plane of the dipole?

A.Zero

B.k q / a

C.k p / r²

D.2 k q / r

Explanation: Every point on the equatorial plane of an electric dipole is equidistant from +q and -q. The scalar sum V = k(q/r) + k(-q/r) = 0 V.

4An electric dipole of moment p = 4.0 × 10^-9 C·m is oriented at 30° to a uniform electric field E = 5.0 × 10^4 N/C. What is the torque acting on the dipole?

A.1.0 × 10^-4 N·m

B.2.0 × 10^-4 N·m

C.1.73 × 10^-4 N·m

D.0.5 × 10^-4 N·m

Explanation: The magnitude of torque on a dipole is τ = p E sin(θ). τ = (4.0 × 10^-9) × (5.0 × 10^4) × sin(30°) = (2.0 × 10^-4) × 0.5 = 1.0 × 10^-4 N·m.

5A closed spherical Gaussian surface of radius 0.20 m encloses a net charge of +8.85 nC. What is the total electric flux through the surface? (ε₀ = 8.854 × 10^-12 C²/N·m²)

A.1000 N·m²/C

B.500 N·m²/C

C.8.85 N·m²/C

D.1.0 × 10^6 N·m²/C

Explanation: By Gauss's Law, Φ = Q_enclosed / ε₀. Φ = (8.85 × 10^-9 C) / (8.854 × 10^-12 C²/N·m²) ≈ 1000 N·m²/C.

6A parallel plate air capacitor has a capacitance of 10 µF. When a dielectric slab of K = 5 is inserted to completely fill the gap, what is the new capacitance?

A.50 µF

B.2 µF

C.15 µF

D.25 µF

Explanation: Filling the capacitor with a dielectric of constant K increases its capacitance by a factor of K: C' = K · C₀ = 5 × 10 µF = 50 µF.

7Two capacitors C1 = 6.0 µF and C2 = 3.0 µF are connected in series. What is the equivalent capacitance?

A.2.0 µF

B.9.0 µF

C.4.5 µF

D.1.8 µF

Explanation: For series connection, 1/C_eq = 1/C1 + 1/C2, so C_eq = (C1·C2)/(C1+C2) = (6.0 × 3.0)/(6.0 + 3.0) = 18.0 / 9.0 = 2.0 µF.

8How much energy is stored in a 10 µF capacitor charged to a potential difference of 100 V?

A.0.05 J

B.0.10 J

C.0.01 J

D.1.00 J

Explanation: Stored energy U = (1/2) C V² = 0.5 × (10 × 10^-6 F) × (100 V)² = 0.5 × 10^-5 × 10000 = 0.05 J.

9If electric potential V is constant throughout a region of space, what is the electric field E in that region?

A.Zero

B.Uniform and non-zero

C.Increases linearly with distance

D.Radially outward

Explanation: Since electric field E = -dV/dr, if potential V is constant, dV/dr = 0, meaning electric field is zero everywhere in that region.

10Capacitors C1 = 4.0 µF and C2 = 6.0 µF are connected in parallel across a 12 V battery. What is the total charge supplied?

A.120 µC

B.48 µC

C.72 µC

D.28.8 µC

Explanation: In parallel, C_eq = C1 + C2 = 10.0 µF. Total charge Q = C_eq · V = 10.0 µF × 12 V = 120 µC.

About the Assam Higher Secondary Physics Exam

The Assam State School Education Board (ASSEB) Higher Secondary Physics curriculum covers fundamental physics concepts across Class 11 and Class 12. Key areas include Electrostatics, Current Electricity, Magnetic Effects of Current, Electromagnetic Induction and AC Circuits, Optics, Dual Nature of Matter, Atomic and Nuclear Physics, Semiconductor Devices, as well as core Mechanics, Thermodynamics, and Oscillations.

Exam sponsor: Assam State School Education Board (ASSEB). The requirements and fees below concern the certification or admission exam, separate from our free practice resources.

Assessment

The ASSEB Higher Secondary Physics examination is a 3-hour theory paper worth 70 marks (supplemented by a 30-mark practical examination), comprising MCQs, short answer questions, derivations, and numerical problem solving across Class 11 and 12 Physics.

Time Limit

3 hours

Passing Score

30% aggregate in theory and practicals

Exam / Certification Fees

Standard ASSEB board examination fee

Exam sponsor website

Fees, eligibility, and exam policies can change. Confirm them with the exam sponsor before applying or paying.

Official sources

Assam State School Education Board (ASSEB): official exam information

Our practice resources: topics covered

We aim to reflect publicly available exam outlines and topic information in our study resources. Coverage, format, and difficulty may differ from the actual exam, and we cannot guarantee that every detail is accurate or current. Confirm exam requirements, fees, and policies with the official exam sponsor.

20%

Electrostatics & Current Electricity

Electric charges, Coulomb's law, electric field, potential, Gauss's law, capacitors, Ohm's law, Kirchhoff's laws, Wheatstone bridge, potentiometer, and electrical energy.

20%

Magnetic Effects of Current & AC Circuits

Biot-Savart law, Ampere's circuital law, Lorentz force, galvanometer, Faraday's laws of EMI, Lenz's law, self & mutual inductance, AC circuits, resonance, and transformers.

20%

Optics & Electromagnetic Waves

Ray optics (reflection, refraction, lenses, total internal reflection, prism, optical instruments) and wave optics (Huygens' principle, interference, Young's double slit, diffraction, polarization) plus EM wave spectrum.

20%

Modern Physics (Dual Nature, Atoms, Nuclei)

Photoelectric effect, Einstein's equation, de Broglie wavelength, Bohr model of hydrogen atom, nuclear binding energy, mass defect, radioactivity, and nuclear fission/fusion.

20%

Semiconductor Electronics & Core Mechanics/Thermodynamics

p-n junction diodes, rectifiers, Zener diodes, logic gates, transistor action, plus essential Class 11 mechanics, gravitation, thermodynamics, and wave motion.

Preparing for the Assam Higher Secondary Physics Exam

What You Need to Know

Passing score: 30% aggregate in theory and practicals
Assessment: The ASSEB Higher Secondary Physics examination is a 3-hour theory paper worth 70 marks (supplemented by a 30-mark practical examination), comprising MCQs, short answer questions, derivations, and numerical problem solving across Class 11 and 12 Physics.
Time limit: 3 hours
Exam / certification fees: Standard ASSEB board examination fee Official sources

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Assam Higher Secondary Physics: Suggested Study Strategy

1Master core formulas and physical constants (e.g., ε₀, μ₀, e, h, c, G) and practice unit conversions thoroughly.

2Practice step-by-step numerical calculations, especially in Electrostatics, Current Electricity, AC circuits, Optics, and Photoelectric effect.

3Understand conceptual derivations such as Coulomb's Law from Gauss's Law, Lens Maker's Formula, Young's double slit fringe width, and Bohr's radius formula.

4Draw neat ray diagrams for optical instruments (microscope, telescope) and circuit diagrams for Wheatstone bridge, potentiometer, and p-n junction rectifiers.

5Revise truth tables and symbol diagrams for basic logic gates (AND, OR, NOT, NAND, NOR) and Zener diode voltage regulation.

Frequently Asked Questions

What is the examination pattern for ASSEB Higher Secondary Physics?

The examination consists of a 70-mark theory paper (3 hours) covering MCQs, short answer questions, derivations, and numerical problems, alongside a 30-mark practical examination.

What are the major units covered in Higher Secondary Physics under ASSEB?

The syllabus covers Class 11 & 12 topics: Electrostatics, Current Electricity, Magnetic Effects of Current & Magnetism, EMI & AC, Electromagnetic Waves, Optics, Dual Nature of Matter, Atoms & Nuclei, Semiconductor Devices, Mechanics, Thermodynamics, and Oscillations.

What is the passing criteria for ASSEB HS Physics?

Students must score at least 30% marks in theory and practical components separately to pass the Physics examination.

Are numerical calculation questions included in the ASSEB Physics paper?

Yes, numerical problems carry significant weight in the theory paper, requiring clear application of formulas, unit conversions, and step-by-step calculation.

What language mediums are available for ASSEB Higher Secondary Physics?

The examination is conducted in English and Assamese medium, among other official state media.

Free Practice Questions for Assam Higher Secondary Physics

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